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Bruce, your modification certainly tamed the audio gain, however I found the decode capability no longer worked satisfactorily. 73 Nigel M0NDE -- 73 de Nigel Evans M0NDE QTH Burnham on Sea,

Hi Alve, Thanks for the prompt reply about R25 / R19 being reversed. Yes, R27 is at the end of its track. I will put these two resistors back in their correct places when I have bought some MPS751s to

Why wait? Please share! -- Regards/73, Enno, PF5X

Well, I got my 20 Meter kit the other day and started building it. All parts were there and I now have the Board about 2/3 done. It is a quality board and the manual while taking a lot of paper, is

Hi all, to get more power output - about 5 ... 6 watts with Vb = 12 ...13.5 Volt from your QCX you have to change some components in the TX part of the TRX. I have tested it with my 2-band version

Are you not concerned that your passive filter seems to have gain ? PeterO G0DZB

Hi Roger. Hmmm, in that case I'd suggest that there isn't any connection on the six way header on the QCX. The reason that I say this is that if you plug in your Tiny to your PC and don't connect the

Hi Anatoly, thanks for reply! The first picture shows the sweep with C29 on board, in the picture below with C29 removed:

Now that I have my QCX #943 working (mostly properly), I've run into a couple of other issues that Hans might chime in on. It aligned with the built in TE just fine, got really great sideband

James, Thanks, but I have tried it both ways thinking that I may have had it wrong. Same error message back either way around that's why I wondered if I had damaged the chip! I have wasted hours on

Hello. Turn the 6 way header that connects to the QCX the other way around. Or put another way, the keyed side of the 6 way connector needs to be pointing towards the LCD screen. I've just

Hi James, Spot on exactly that!

Hans, I realize that you have a very busy schedule and probably have not had time to do further investigation into this problem with the QLG1 when used with the

Hello Roger. Is it showing this error message as below. initialization failed, rc=-1 ? ? ? ? ? ? ?Double check connections and try again, or use -F to override ? ? ? ? ? ? ?this

Listening to the relay clicks and when they happen along with the information on the display at the time, it seems for the zeroing (internal calibration) and auto ranging functions of the

Hello Tim. No problem and I'm glad that it helped. All the best with the build. Kind regards, James.

Hi all, Wonder if someone could offer a solution here. Using AVRDUDESS and a Usb tiny Isp I can update the firmware normally on my Vfo/Sig gen kit. When the same set up is connected to my QCX

Thanks for the link info James. I changed that parameter and it took care of the issue. I actually had thought about that but the manual says that the QLG1 units as supplied from Hans did not suffer

gd Jim, taking a sideways look at this have you erased the data in the new .hex file while running Avrdudess? if so the file will still show in the folder on your computer but is now empty. Geoff

I'll include the link this time Hi Hi.. /g/QRPLabs/topic/6007106#16066 Kind regards, James.